.topbar-warpper{
    width: 100%;
    height: 40px;
    line-height: 40px;
    background-color: #333;
}
.topbar{
    margin: 0 auto;
}
.topbar li{
    float: left;
}
.service {
    float: left;
 }
 .user-info,.shop-cart{
     float:right ;
 }
 .topbar a{
     color: #b0b0b0;
     font-size: 12px;
 }
 .topbar a:hover{
     color: #fff;
 }
.shop-cart li{
    text-align: center;
    width: 120px;
    background-color: #424242;
    font-size: 12px;
    margin: 0 26px;
}
.shop-cart:hover li{
    background-color: #fff;
}
.shop-cart:hover a{
    color: orange;
}
.line{
    margin: 0 8px;
    height: 13px;
    color: #424242;
}
.qrcode{
    width: 124px;
    height: 148px;
    background-color: antiquewhite;
}
.qrcode img{
    width: 90px;
    height: 90px;
    margin: 0 auto;
}